CJC-1295 No DAC (Mod GRF 1-29)

Mechanism of Action

CJC-1295 No DAC is a synthetic analog of Growth Hormone-Releasing Hormone (GHRH). It acts by binding to GHRH receptors in the anterior pituitary gland, stimulating the release and synthesis of endogenous Growth Hormone. Unlike its counterpart with DAC (Drug Affinity Complex), which has a very long half-life, the "No DAC" version respects the body's natural pulsatile rhythm, helping to avoid receptor desensitization (tachyphylaxis) and minimizing side effects related to water retention.(1)

This physiological pulsation makes it often preferred for use in combination with GHRPs (like Ipamorelin) for a potent synergistic effect in raising GH and IGF-1 levels.(2)

Muscle Growth & Metabolism

Increased levels of Growth Hormone and IGF-1 promoted by CJC-1295 No DAC have well-documented anabolic and lipolytic effects. It facilitates protein synthesis and lean muscle growth (hypertrophy and hyperplasia), while increasing metabolic rate and promoting fat oxidation (lipolysis). This makes it a valuable tool for body recomposition.(3)

Advanced Recovery

Sustained but pulsatile elevation of GH significantly improves the body's recovery processes. It accelerates the repair of muscle tissues, tendons, and ligaments damaged during intense exercise or due to injury. Additionally, an improvement in sleep quality has been observed, a critical component for optimal physical and mental recovery.(4)

Anti-aging Benefits

Growth hormone levels naturally decline with age ("somatopause"). CJC-1295 No DAC helps restore more youthful GH levels, which can result in firmer skin (increased collagen synthesis), better bone density, greater vital energy, and overall strengthening of the immune system.(5)

References

1. Teichman, S. L., et al. (2006). Prolonged stimulation of growth hormone (GH) and insulin-like growth factor I secretion by CJC-1295, a therapeutic peptide analog of growth hormone-releasing hormone, in healthy adults.
2. Ionescu, M., & Frohman, L. A. (2006). Pulsatile secretion of growth hormone (GH) persists during continuous stimulation by CJC-1295, a long-acting GH-releasing hormone analog.
3. Sackmann-Sala, L., et al. (2009). Activation of the GH/IGF-1 axis by CJC-1295, a long-acting GHRH analog, results in serum protein profile changes in normal adult subjects.
4. Sigalos, J. T., & Pastuszak, A. W. (2018). The Safety and Efficacy of Growth Hormone Secretagogues. Sexual Medicine Reviews.
5. Garcia, J. M., et al. (2019). Growth Hormone-Releasing Hormone (GHRH) and its Analogues in the Treatment of Muscle Wasting.